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Fj <br /> DEEP PERCOLATION OF RAIN ESTIMATE <br /> FAverage Precipatation and Eto for Tracy, CA <br /> --California Zone 12 -- *Estimated <br /> Eto Percip, Deep Perc. <br /> F _Month (inlmo) (in/mo) (in/mo) <br /> JAN 1.55 1.98 0.43 <br /> FEB 2.24 1.39 <br /> FMAR 3.41 1.46 <br /> APR 5.1 0.96 <br /> MAY 6.82 0.29 <br /> JUN 7.8 0.52 <br /> F JUL 8.06 0.04 <br /> AUG 7.13 0.12 <br /> SEP 5.4 0.26 <br /> F1 OCT 3.72 0.5 <br /> NOV 1.8 1.23 i <br /> DEC 0.93 1.57 0.64 f <br /> riSubTotal: 1.07 in/yr <br /> Percipitation data:Soil Survey of San Joaquin County(9992). <br /> Normal Year Eto data:http.11wwwdpla.water.ca.gov/(Zone 92) <br /> I *Assumption: if monthly precipitation exceeds potential ET then <br /> the difference is potential deep percolation. <br /> i <br /> ri <br /> i <br /> �i <br /> I <br /> f <br /> } <br /> f <br /> a <br /> i <br /> Il <br /> FJ <br /> i <br /> *;1' —NEIL O.ANDERSON&ASSOC.,INC.GEOTECNMCAL SERVICES-ENGMEERNO LABORATORIES 22 Houston Ln.Lodi,CA 85240��"^ {208)5¢7-770! <br /> R <br /> Plate 4 <br /> 0t <br />